Vanalite

vanalite

steigerite

hewettite

delvauxite

Images

Formula: NaAl₈V₁₀O₃₈.30H₂O
Hydrated vanadate
Crystal System: Monoclinic
Specific gravity: 2.3 to 2.4 measured, 2.15 calculated
Colour: Bright yellow with orange tint
Luminescence:
Solubility: Easily soluble in cold dilute hydrochloric acid
Environments

Sedimentary environments

Localities

At the type locality, the Kurumsak V Deposit, Aksumbe, Turkistan Region, Kazakhstan, vanalite occurs encrusting joints and cavities in weathered shale. Associated minerals include steigerite, hewettite, delvauxite, satpaevite, gypsum, halloysite, montmorillonite and other clay minerals (HOM).

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